Under the Hood
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DNSresolving host
TCPconnecting
TLShandshake
HTTPrequesting
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Sorting
Trees
Graphs
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Under the Hood
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C++ vtables and vptrs in memory — how one virtual call site dispatches to the right override at runtime
Polymorphism: one interface, many behaviors. A base-class pointer Shape* s can point at any subclass object. Right now it points at a Circle, and s->draw() draws a circle. The call site never mentions "Circle" — it just says draw().
Dispatch chain
Active Recall
What is stored in a vtable?